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ContentHelper (jersey-atom-abdera 1.9 API)
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com.sun.jersey.atom.abdera</FONT>
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Class ContentHelper</H2>
<PRE>
java.lang.Object
  <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>com.sun.jersey.atom.abdera.ContentHelper</B>
</PRE>
<HR>
<DL>
<DT><PRE>public class <B>ContentHelper</B><DT>extends java.lang.Object</DL>
</PRE>

<P>
Helper class to assist in serializing and deserializing Java entities
 as XML that will be transferred through the <code>content</code> element
 of an Atom <code>Entry</code> instance.  A configured instance of this
 class can be made available in a resource class as follows:

 <blockquote><pre>
   &#064;Context
   private ContentHelper contentHelper;
 </blockquote></pre>
<P>

<P>
<HR>

<P>

<!-- ======== CONSTRUCTOR SUMMARY ======== -->

<A NAME="constructor_summary"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TD><CODE><B><A HREF="../../../../../com/sun/jersey/atom/abdera/ContentHelper.html#ContentHelper(javax.ws.rs.ext.Providers)">ContentHelper</A></B>(<A HREF="http://jsr311.java.net/nonav/releases/1.1/javax/ws/rs/ext/Providers.html?is-external=true" title="class or interface in javax.ws.rs.ext">Providers</A>&nbsp;providers)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Construct a configured instance of this helper.</TD>
</TR>
</TABLE>
&nbsp;
<!-- ========== METHOD SUMMARY =========== -->

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<B>Method Summary</B></FONT></TH>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">
<TR ALIGN="right" VALIGN="">
<TD NOWRAP><FONT SIZE="-1">
<CODE>&lt;T&gt; T</CODE></FONT></TD>
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</TABLE>
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/sun/jersey/atom/abdera/ContentHelper.html#getContentEntity(org.apache.abdera.model.Entry, java.lang.Class)">getContentEntity</A></B>(org.apache.abdera.model.Entry&nbsp;entry,
                 java.lang.Class&lt;T&gt;&nbsp;clazz)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Deserialize the content element of the specified entry, and
 transform it back into an appropriate Java object.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">
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<TD NOWRAP><FONT SIZE="-1">
<CODE>&lt;T&gt; T</CODE></FONT></TD>
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</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/sun/jersey/atom/abdera/ContentHelper.html#getContentEntity(org.apache.abdera.model.Entry, javax.ws.rs.core.MediaType, java.lang.Class)">getContentEntity</A></B>(org.apache.abdera.model.Entry&nbsp;entry,
                 <A HREF="http://jsr311.java.net/nonav/releases/1.1/javax/ws/rs/core/MediaType.html?is-external=true" title="class or interface in javax.ws.rs.core">MediaType</A>&nbsp;mediaType,
                 java.lang.Class&lt;T&gt;&nbsp;clazz)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Deserialize the content element of the specified entry, and
 transform it back into an appropriate Java object.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/sun/jersey/atom/abdera/ContentHelper.html#setContentEntity(org.apache.abdera.model.Entry, javax.ws.rs.core.MediaType, java.lang.Object)">setContentEntity</A></B>(org.apache.abdera.model.Entry&nbsp;entry,
                 <A HREF="http://jsr311.java.net/nonav/releases/1.1/javax/ws/rs/core/MediaType.html?is-external=true" title="class or interface in javax.ws.rs.core">MediaType</A>&nbsp;mediaType,
                 java.lang.Object&nbsp;entity)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Serialize the specified entity as the <code>content</code> element
 of the specified <code>entry</code>.</TD>
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<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
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&nbsp;
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<A NAME="ContentHelper(javax.ws.rs.ext.Providers)"><!-- --></A><H3>
ContentHelper</H3>
<PRE>
public <B>ContentHelper</B>(<A HREF="http://jsr311.java.net/nonav/releases/1.1/javax/ws/rs/ext/Providers.html?is-external=true" title="class or interface in javax.ws.rs.ext">Providers</A>&nbsp;providers)</PRE>
<DL>
<DD><p>Construct a configured instance of this helper.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>providers</CODE> - Providers for this application</DL>
</DL>

<!-- ============ METHOD DETAIL ========== -->

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<A NAME="getContentEntity(org.apache.abdera.model.Entry, java.lang.Class)"><!-- --></A><H3>
getContentEntity</H3>
<PRE>
public &lt;T&gt; T <B>getContentEntity</B>(org.apache.abdera.model.Entry&nbsp;entry,
                              java.lang.Class&lt;T&gt;&nbsp;clazz)</PRE>
<DL>
<DD><p>Deserialize the content element of the specified entry, and
 transform it back into an appropriate Java object.  The media type
 used for selecting an appropriate <code>Provider</code> will be
 acquired from the <code>type</code> attribute of the <code>content</code>
 element.</p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>entry</CODE> - <code>Entry</code> whose content element is to be processed<DD><CODE>clazz</CODE> - <code>Class</code> of the object to be returned
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalArgumentException</CODE> - if the specified entry does not
  contain a valid content element</DL>
</DD>
</DL>
<HR>

<A NAME="getContentEntity(org.apache.abdera.model.Entry, javax.ws.rs.core.MediaType, java.lang.Class)"><!-- --></A><H3>
getContentEntity</H3>
<PRE>
public &lt;T&gt; T <B>getContentEntity</B>(org.apache.abdera.model.Entry&nbsp;entry,
                              <A HREF="http://jsr311.java.net/nonav/releases/1.1/javax/ws/rs/core/MediaType.html?is-external=true" title="class or interface in javax.ws.rs.core">MediaType</A>&nbsp;mediaType,
                              java.lang.Class&lt;T&gt;&nbsp;clazz)</PRE>
<DL>
<DD><p>Deserialize the content element of the specified entry, and
 transform it back into an appropriate Java object.</p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>entry</CODE> - <code>Entry</code> whose content element is to be processed<DD><CODE>mediaType</CODE> - <code>MediaType</code> to use when selecting an
  appropriate provider<DD><CODE>clazz</CODE> - <code>Class</code> of the object to be returned
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalArgumentException</CODE> - if the specified entry does not
  contain a valid content element</DL>
</DD>
</DL>
<HR>

<A NAME="setContentEntity(org.apache.abdera.model.Entry, javax.ws.rs.core.MediaType, java.lang.Object)"><!-- --></A><H3>
setContentEntity</H3>
<PRE>
public void <B>setContentEntity</B>(org.apache.abdera.model.Entry&nbsp;entry,
                             <A HREF="http://jsr311.java.net/nonav/releases/1.1/javax/ws/rs/core/MediaType.html?is-external=true" title="class or interface in javax.ws.rs.core">MediaType</A>&nbsp;mediaType,
                             java.lang.Object&nbsp;entity)</PRE>
<DL>
<DD><p>Serialize the specified entity as the <code>content</code> element
 of the specified <code>entry</code>.  The selected provider <strong>MUST</strong>
 produce an XML representation.</p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>entry</CODE> - <code>Entry</code> whose content element is to be set<DD><CODE>mediaType</CODE> - <code>MediaType</code> to pass as the <code>type</code>
  attribute of the <code>content</code> element (also used to select an
  appropriate <code>Provider</code>)<DD><CODE>entity</CODE> - Entity to be serialized</DL>
</DD>
</DL>
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